<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" /><title>EntityRedirectsManager xref</title>
<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../../../../../../apidocs/org/sakaiproject/entitybus/rest/EntityRedirectsManager.html">View Javadoc</a></div><pre>

<a name="1" href="#1">1</a>   <em>/**<em>*</em></em>
<a name="2" href="#2">2</a>   <em> * $Id: EntityRedirectsManager.html 12 2009-01-29 12:00:24Z azeckoski $</em>
<a name="3" href="#3">3</a>   <em> * $URL: http://entitybus.googlecode.com/svn/maven/site/entitybus-rest/xref/org/sakaiproject/entitybus/rest/EntityRedirectsManager.html $</em>
<a name="4" href="#4">4</a>   <em> * EntityRedirectsManager.java - entity-broker - Jul 26, 2008 9:58:00 AM - azeckoski</em>
<a name="5" href="#5">5</a>   <em> **************************************************************************</em>
<a name="6" href="#6">6</a>   <em> * Copyright (c) 2008 Sakai Foundation</em>
<a name="7" href="#7">7</a>   <em> *</em>
<a name="8" href="#8">8</a>   <em> * Licensed under the Educational Community License, Version 2.0 (the "License");</em>
<a name="9" href="#9">9</a>   <em> * you may not use this file except in compliance with the License.</em>
<a name="10" href="#10">10</a>  <em> * You may obtain a copy of the License at</em>
<a name="11" href="#11">11</a>  <em> *</em>
<a name="12" href="#12">12</a>  <em> *       <a href="http://www.osedu.org/licenses/ECL-2.0" target="alexandria_uri">http://www.osedu.org/licenses/ECL-2.0</a></em>
<a name="13" href="#13">13</a>  <em> *</em>
<a name="14" href="#14">14</a>  <em> * Unless required by applicable law or agreed to in writing, software</em>
<a name="15" href="#15">15</a>  <em> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="16" href="#16">16</a>  <em> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="17" href="#17">17</a>  <em> * See the License for the specific language governing permissions and</em>
<a name="18" href="#18">18</a>  <em> * limitations under the License.</em>
<a name="19" href="#19">19</a>  <em> */</em>
<a name="20" href="#20">20</a>  
<a name="21" href="#21">21</a>  <strong>package</strong> org.sakaiproject.entitybus.<strong>rest</strong>;
<a name="22" href="#22">22</a>  
<a name="23" href="#23">23</a>  <strong>import</strong> java.lang.reflect.InvocationTargetException;
<a name="24" href="#24">24</a>  <strong>import</strong> java.lang.reflect.Method;
<a name="25" href="#25">25</a>  <strong>import</strong> java.util.ArrayList;
<a name="26" href="#26">26</a>  <strong>import</strong> java.util.HashMap;
<a name="27" href="#27">27</a>  <strong>import</strong> java.util.List;
<a name="28" href="#28">28</a>  <strong>import</strong> java.util.Map;
<a name="29" href="#29">29</a>  <strong>import</strong> java.util.Map.Entry;
<a name="30" href="#30">30</a>  
<a name="31" href="#31">31</a>  <strong>import</strong> org.apache.commons.logging.Log;
<a name="32" href="#32">32</a>  <strong>import</strong> org.apache.commons.logging.LogFactory;
<a name="33" href="#33">33</a>  <strong>import</strong> org.sakaiproject.entitybus.entityprovider.EntityProvider;
<a name="34" href="#34">34</a>  <strong>import</strong> org.sakaiproject.entitybus.entityprovider.EntityProviderMethodStore;
<a name="35" href="#35">35</a>  <strong>import</strong> org.sakaiproject.entitybus.entityprovider.capabilities.RedirectControllable;
<a name="36" href="#36">36</a>  <strong>import</strong> org.sakaiproject.entitybus.entityprovider.extension.RequestStorageWrite;
<a name="37" href="#37">37</a>  <strong>import</strong> org.sakaiproject.entitybus.entityprovider.extension.URLRedirect;
<a name="38" href="#38">38</a>  <strong>import</strong> org.sakaiproject.entitybus.exception.EntityException;
<a name="39" href="#39">39</a>  <strong>import</strong> org.sakaiproject.entitybus.exception.EntityNotFoundException;
<a name="40" href="#40">40</a>  <strong>import</strong> org.sakaiproject.entitybus.exception.FormatUnsupportedException;
<a name="41" href="#41">41</a>  <strong>import</strong> org.sakaiproject.entitybus.util.TemplateParseUtil;
<a name="42" href="#42">42</a>  <strong>import</strong> org.sakaiproject.entitybus.util.TemplateParseUtil.PreProcessedTemplate;
<a name="43" href="#43">43</a>  <strong>import</strong> org.sakaiproject.entitybus.util.TemplateParseUtil.ProcessedTemplate;
<a name="44" href="#44">44</a>  <strong>import</strong> org.sakaiproject.entitybus.util.request.RequestUtils;
<a name="45" href="#45">45</a>  
<a name="46" href="#46">46</a>  
<a name="47" href="#47">47</a>  <em>/**<em>*</em></em>
<a name="48" href="#48">48</a>  <em> * Handles everything related the URL redirects handling and processing</em>
<a name="49" href="#49">49</a>  <em> * </em>
<a name="50" href="#50">50</a>  <em> * @author Aaron Zeckoski (azeckoski @ gmail.com)</em>
<a name="51" href="#51">51</a>  <em> */</em>
<a name="52" href="#52">52</a>  <strong>public</strong> <strong>class</strong> <a href="../../../../org/sakaiproject/entitybus/rest/EntityRedirectsManager.html">EntityRedirectsManager</a> {
<a name="53" href="#53">53</a>  
<a name="54" href="#54">54</a>      <strong>private</strong> <strong>static</strong> Log log = LogFactory.getLog(EntityRedirectsManager.<strong>class</strong>);
<a name="55" href="#55">55</a>  
<a name="56" href="#56">56</a>      <em>/**<em>*</em></em>
<a name="57" href="#57">57</a>  <em>     * Empty constructor</em>
<a name="58" href="#58">58</a>  <em>     */</em>
<a name="59" href="#59">59</a>      <strong>protected</strong> <a href="../../../../org/sakaiproject/entitybus/rest/EntityRedirectsManager.html">EntityRedirectsManager</a>() { }
<a name="60" href="#60">60</a>      
<a name="61" href="#61">61</a>      <em>/**<em>*</em></em>
<a name="62" href="#62">62</a>  <em>     * Base constructor</em>
<a name="63" href="#63">63</a>  <em>     * @param entityProviderMethodStore the provider method store service</em>
<a name="64" href="#64">64</a>  <em>     * @param requestStorage the request storage service</em>
<a name="65" href="#65">65</a>  <em>     */</em>
<a name="66" href="#66">66</a>      <strong>public</strong> <a href="../../../../org/sakaiproject/entitybus/rest/EntityRedirectsManager.html">EntityRedirectsManager</a>(EntityProviderMethodStore entityProviderMethodStore, RequestStorageWrite requestStorage) {
<a name="67" href="#67">67</a>          <strong>this</strong>.entityProviderMethodStore = entityProviderMethodStore;
<a name="68" href="#68">68</a>          <strong>this</strong>.requestStorage = requestStorage;
<a name="69" href="#69">69</a>      }
<a name="70" href="#70">70</a>  
<a name="71" href="#71">71</a>      <strong>private</strong> EntityProviderMethodStore entityProviderMethodStore;
<a name="72" href="#72">72</a>      <strong>public</strong> <strong>void</strong> setEntityProviderMethodStore(EntityProviderMethodStore entityProviderMethodStore) {
<a name="73" href="#73">73</a>          <strong>this</strong>.entityProviderMethodStore = entityProviderMethodStore;
<a name="74" href="#74">74</a>      }
<a name="75" href="#75">75</a>  
<a name="76" href="#76">76</a>      <strong>private</strong> RequestStorageWrite requestStorage;
<a name="77" href="#77">77</a>      <strong>public</strong> <strong>void</strong> setRequestStorage(RequestStorageWrite requestStorage) {
<a name="78" href="#78">78</a>          <strong>this</strong>.requestStorage = requestStorage;
<a name="79" href="#79">79</a>      }
<a name="80" href="#80">80</a>  
<a name="81" href="#81">81</a>      <em class="comment">// allow the servlet name to be more flexible</em>
<a name="82" href="#82">82</a>      <strong>private</strong> String servletContext;
<a name="83" href="#83">83</a>      <strong>private</strong> String getServletContext() {
<a name="84" href="#84">84</a>          <strong>if</strong> (<strong>this</strong>.servletContext == <strong>null</strong>) {
<a name="85" href="#85">85</a>              <strong>return</strong> RequestUtils.getServletContext(<strong>null</strong>);
<a name="86" href="#86">86</a>          }
<a name="87" href="#87">87</a>          <strong>return</strong> <strong>this</strong>.servletContext;
<a name="88" href="#88">88</a>      }
<a name="89" href="#89">89</a>      <strong>public</strong> <strong>void</strong> setServletContext(String servletContext) {
<a name="90" href="#90">90</a>          <strong>if</strong> (servletContext != <strong>null</strong>) {
<a name="91" href="#91">91</a>              <strong>this</strong>.servletContext = servletContext;
<a name="92" href="#92">92</a>          }
<a name="93" href="#93">93</a>      }
<a name="94" href="#94">94</a>  
<a name="95" href="#95">95</a>      <em>/**<em>*</em></em>
<a name="96" href="#96">96</a>  <em>     * Do a check to see if the current incoming URL is a match to any of the redirect templates for</em>
<a name="97" href="#97">97</a>  <em>     * the given entity provider</em>
<a name="98" href="#98">98</a>  <em>     * @param entityProvider an entity provider</em>
<a name="99" href="#99">99</a>  <em>     * @param queryString the query string (e.g. auto=true) for the incoming URL</em>
<a name="100" href="#100">100</a> <em>     * @param incomingUrl the incoming URL to try to match</em>
<a name="101" href="#101">101</a> <em>     * @return the URL to redirect to (will start with /direct if it should be forwarded) OR null if no matches were found</em>
<a name="102" href="#102">102</a> <em>     */</em>
<a name="103" href="#103">103</a>     <strong>public</strong> String checkForTemplateMatch(EntityProvider entityProvider, String incomingURL, String queryString) {
<a name="104" href="#104">104</a>         String prefix = entityProvider.getEntityPrefix();
<a name="105" href="#105">105</a>         String targetURL = <strong>null</strong>;
<a name="106" href="#106">106</a>         List&lt;URLRedirect> redirects = entityProviderMethodStore.getURLRedirects(prefix);
<a name="107" href="#107">107</a>         <strong>if</strong> (redirects.size() > 0) {
<a name="108" href="#108">108</a>             List&lt;PreProcessedTemplate> preprocessed = <strong>new</strong> ArrayList&lt;PreProcessedTemplate>();
<a name="109" href="#109">109</a>             <strong>for</strong> (URLRedirect redirect : redirects) {
<a name="110" href="#110">110</a>                 preprocessed.add( redirect.preProcessedTemplate );
<a name="111" href="#111">111</a>             }
<a name="112" href="#112">112</a>             ProcessedTemplate processedTemplate;
<a name="113" href="#113">113</a>             <strong>try</strong> {
<a name="114" href="#114">114</a>                 processedTemplate = TemplateParseUtil.parseTemplate(incomingURL, preprocessed);
<a name="115" href="#115">115</a>             } <strong>catch</strong> (IllegalArgumentException e) {
<a name="116" href="#116">116</a>                 processedTemplate = <strong>null</strong>;
<a name="117" href="#117">117</a>             }
<a name="118" href="#118">118</a>             <strong>if</strong> (processedTemplate != <strong>null</strong>) {
<a name="119" href="#119">119</a>                 URLRedirect redirect = <strong>null</strong>;
<a name="120" href="#120">120</a>                 <strong>for</strong> (URLRedirect urlRedirect : redirects) {
<a name="121" href="#121">121</a>                     <strong>if</strong> (processedTemplate.template.equals(urlRedirect.template)) {
<a name="122" href="#122">122</a>                         <em class="comment">// found the matching urlRedirect</em>
<a name="123" href="#123">123</a>                         redirect = urlRedirect;
<a name="124" href="#124">124</a>                         <strong>break</strong>;
<a name="125" href="#125">125</a>                     }
<a name="126" href="#126">126</a>                 }
<a name="127" href="#127">127</a> 
<a name="128" href="#128">128</a>                 <strong>if</strong> (redirect == <strong>null</strong>) {
<a name="129" href="#129">129</a>                     <em class="comment">// TODO should this be a warning instead?</em>
<a name="130" href="#130">130</a>                     <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Failed to find a matching redirect for the matched template ("</span>+processedTemplate.template+<span class="string">") for the incoming URL ("</span>+incomingURL+<span class="string">")"</span>);
<a name="131" href="#131">131</a>                 } <strong>else</strong> {
<a name="132" href="#132">132</a>                     <em class="comment">// handle the redirect</em>
<a name="133" href="#133">133</a>                     Map&lt;String, String> segmentValues = <strong>new</strong> HashMap&lt;String, String>( processedTemplate.segmentValues );
<a name="134" href="#134">134</a>                     <em class="comment">// add in the prefix and the extension so they can be referenced as variables</em>
<a name="135" href="#135">135</a>                     segmentValues.put(TemplateParseUtil.PREFIX, prefix);
<a name="136" href="#136">136</a>                     <strong>if</strong> (processedTemplate.extension == <strong>null</strong> || <span class="string">""</span>.equals(processedTemplate.extension)) {
<a name="137" href="#137">137</a>                         segmentValues.put(TemplateParseUtil.EXTENSION, <span class="string">""</span>);
<a name="138" href="#138">138</a>                         segmentValues.put(TemplateParseUtil.DOT_EXTENSION, <span class="string">""</span>);
<a name="139" href="#139">139</a>                     } <strong>else</strong> {
<a name="140" href="#140">140</a>                         segmentValues.put(TemplateParseUtil.EXTENSION, processedTemplate.extension);
<a name="141" href="#141">141</a>                         segmentValues.put(TemplateParseUtil.DOT_EXTENSION, TemplateParseUtil.PERIOD + processedTemplate.extension);
<a name="142" href="#142">142</a>                     }
<a name="143" href="#143">143</a>                     <strong>if</strong> (queryString != <strong>null</strong> &amp;&amp; queryString.length() > 2) {
<a name="144" href="#144">144</a>                         segmentValues.put(TemplateParseUtil.QUERY_STRING, queryString);
<a name="145" href="#145">145</a>                         segmentValues.put(TemplateParseUtil.QUESTION_QUERY_STRING, '?' + queryString);
<a name="146" href="#146">146</a>                     } <strong>else</strong> {
<a name="147" href="#147">147</a>                         segmentValues.put(TemplateParseUtil.QUERY_STRING, <span class="string">""</span>);
<a name="148" href="#148">148</a>                         segmentValues.put(TemplateParseUtil.QUESTION_QUERY_STRING, <span class="string">""</span>);
<a name="149" href="#149">149</a>                     }
<a name="150" href="#150">150</a>                     <em class="comment">// add these to the request vars</em>
<a name="151" href="#151">151</a>                     <strong>for</strong> (Entry&lt;String, String> entry : segmentValues.entrySet()) {
<a name="152" href="#152">152</a>                         <strong>try</strong> {
<a name="153" href="#153">153</a>                             requestStorage.setStoredValue(entry.getKey(), entry.getValue());
<a name="154" href="#154">154</a>                         } <strong>catch</strong> (IllegalArgumentException e) {
<a name="155" href="#155">155</a>                             log.warn(<span class="string">"Had to skip key ("</span> + entry.getKey() + <span class="string">") while adding keys to request storage: "</span> + e.getMessage());
<a name="156" href="#156">156</a>                         }
<a name="157" href="#157">157</a>                     }
<a name="158" href="#158">158</a>                     <em class="comment">// do the redirect</em>
<a name="159" href="#159">159</a>                     <strong>if</strong> (redirect.controllable) {
<a name="160" href="#160">160</a>                         <em class="comment">// call the executable</em>
<a name="161" href="#161">161</a>                         <strong>if</strong> (RedirectControllable.<strong>class</strong>.isAssignableFrom(entityProvider.getClass())) {
<a name="162" href="#162">162</a>                             targetURL = ((RedirectControllable)entityProvider).handleRedirects(processedTemplate.template, 
<a name="163" href="#163">163</a>                                     incomingURL, 
<a name="164" href="#164">164</a>                                     processedTemplate.variableNames.toArray(<strong>new</strong> String[processedTemplate.variableNames.size()]), 
<a name="165" href="#165">165</a>                                     segmentValues);
<a name="166" href="#166">166</a>                         } <strong>else</strong> {
<a name="167" href="#167">167</a>                             <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Invalid URL Redirect Object, marked as controllable when this entity broker does not have the capability: "</span> + RedirectControllable.<strong>class</strong>);
<a name="168" href="#168">168</a>                         }
<a name="169" href="#169">169</a>                     } <strong>else</strong> <strong>if</strong> (redirect.methodName != <strong>null</strong>) {
<a name="170" href="#170">170</a>                         <em class="comment">// call the redirect method</em>
<a name="171" href="#171">171</a>                         Object result = <strong>null</strong>;
<a name="172" href="#172">172</a>                         Method method = redirect.getMethod();
<a name="173" href="#173">173</a>                         <strong>if</strong> (method == <strong>null</strong>) {
<a name="174" href="#174">174</a>                             <strong>try</strong> {
<a name="175" href="#175">175</a>                                 <em class="comment">// Note: this is really expensive, need to cache the Method lookup</em>
<a name="176" href="#176">176</a>                                 method = entityProvider.getClass().getMethod(redirect.methodName, redirect.methodArgTypes);
<a name="177" href="#177">177</a>                             } <strong>catch</strong> (SecurityException e1) {
<a name="178" href="#178">178</a>                                 <strong>throw</strong> <strong>new</strong> RuntimeException(<span class="string">"Fatal error trying to get URL redirect method: "</span> + redirect, e1);
<a name="179" href="#179">179</a>                             } <strong>catch</strong> (NoSuchMethodException e1) {
<a name="180" href="#180">180</a>                                 <strong>throw</strong> <strong>new</strong> RuntimeException(<span class="string">"Fatal error trying to get URL redirect method: "</span> + redirect, e1);
<a name="181" href="#181">181</a>                             }
<a name="182" href="#182">182</a>                             redirect.setMethod(method); <em class="comment">// cache this method lookup</em>
<a name="183" href="#183">183</a>                         }
<a name="184" href="#184">184</a>                         Object[] args = <strong>new</strong> Object[redirect.methodArgTypes.length];
<a name="185" href="#185">185</a>                         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; redirect.methodArgTypes.length; i++) {
<a name="186" href="#186">186</a>                             Class&lt;?> argType = redirect.methodArgTypes[i];
<a name="187" href="#187">187</a>                             <strong>if</strong> (String.<strong>class</strong>.equals(argType)) {
<a name="188" href="#188">188</a>                                 args[i] = incomingURL;
<a name="189" href="#189">189</a>                             } <strong>else</strong> <strong>if</strong> (String[].<strong>class</strong>.equals(argType)) {
<a name="190" href="#190">190</a>                                 args[i] = processedTemplate.variableNames.toArray(<strong>new</strong> String[processedTemplate.variableNames.size()]);
<a name="191" href="#191">191</a>                             } <strong>else</strong> <strong>if</strong> (Map.<strong>class</strong>.equals(argType)) {
<a name="192" href="#192">192</a>                                 args[i] = segmentValues;
<a name="193" href="#193">193</a>                             } <strong>else</strong> {
<a name="194" href="#194">194</a>                                 <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"URL redirect method ("</span>+redirect+<span class="string">") contains an invalid methodArgTypes, "</span> +
<a name="195" href="#195">195</a>                                         <span class="string">"only valid types allowed: String, String[], Map"</span>);
<a name="196" href="#196">196</a>                             }
<a name="197" href="#197">197</a>                         }
<a name="198" href="#198">198</a>                         <strong>try</strong> {
<a name="199" href="#199">199</a>                             result = method.invoke(entityProvider, args);
<a name="200" href="#200">200</a>                         } <strong>catch</strong> (IllegalArgumentException e) {
<a name="201" href="#201">201</a>                             <strong>throw</strong> <strong>new</strong> RuntimeException(<span class="string">"Fatal error trying to execute URL redirect method: "</span> + redirect, e);
<a name="202" href="#202">202</a>                         } <strong>catch</strong> (IllegalAccessException e) {
<a name="203" href="#203">203</a>                             <strong>throw</strong> <strong>new</strong> RuntimeException(<span class="string">"Fatal error trying to execute URL redirect method: "</span> + redirect, e);
<a name="204" href="#204">204</a>                         } <strong>catch</strong> (InvocationTargetException e) {
<a name="205" href="#205">205</a>                             String reference = incomingURL;
<a name="206" href="#206">206</a>                             <strong>if</strong> (e.getCause() != <strong>null</strong>) {
<a name="207" href="#207">207</a>                                 <strong>if</strong> (e.getCause().getClass().isAssignableFrom(IllegalArgumentException.<strong>class</strong>)) {
<a name="208" href="#208">208</a>                                     <strong>throw</strong> <strong>new</strong> IllegalArgumentException(e.getCause().getMessage() + <span class="string">" (rethrown)"</span>, e.getCause());
<a name="209" href="#209">209</a>                                 } <strong>else</strong> <strong>if</strong> (e.getCause().getClass().isAssignableFrom(EntityNotFoundException.<strong>class</strong>)) {
<a name="210" href="#210">210</a>                                     <strong>throw</strong> <strong>new</strong> EntityNotFoundException(e.getCause().getMessage() + <span class="string">" (rethrown)"</span>, reference, e.getCause());
<a name="211" href="#211">211</a>                                 } <strong>else</strong> <strong>if</strong> (e.getCause().getClass().isAssignableFrom(FormatUnsupportedException.<strong>class</strong>)) {
<a name="212" href="#212">212</a>                                     String format = ((FormatUnsupportedException)e.getCause()).format;
<a name="213" href="#213">213</a>                                     <strong>throw</strong> <strong>new</strong> FormatUnsupportedException(e.getCause().getMessage() + <span class="string">" (rethrown)"</span>, e.getCause(), reference, format);
<a name="214" href="#214">214</a>                                 } <strong>else</strong> <strong>if</strong> (e.getCause().getClass().isAssignableFrom(UnsupportedOperationException.<strong>class</strong>)) {
<a name="215" href="#215">215</a>                                     <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(e.getCause().getMessage() + <span class="string">" (rethrown)"</span>, e.getCause());
<a name="216" href="#216">216</a>                                 } <strong>else</strong> <strong>if</strong> (e.getCause().getClass().isAssignableFrom(EntityException.<strong>class</strong>)) {
<a name="217" href="#217">217</a>                                     <strong>int</strong> code = ((EntityException)e.getCause()).responseCode;
<a name="218" href="#218">218</a>                                     <strong>throw</strong> <strong>new</strong> EntityException(e.getCause().getMessage() + <span class="string">" (rethrown)"</span>, reference, code);
<a name="219" href="#219">219</a>                                 } <strong>else</strong> <strong>if</strong> (e.getCause().getClass().isAssignableFrom(IllegalStateException.<strong>class</strong>)) {
<a name="220" href="#220">220</a>                                     <strong>throw</strong> <strong>new</strong> IllegalStateException(e.getCause().getMessage() + <span class="string">" (rethrown)"</span>, e.getCause());
<a name="221" href="#221">221</a>                                 } <strong>else</strong> <strong>if</strong> (e.getCause().getClass().isAssignableFrom(SecurityException.<strong>class</strong>)) {
<a name="222" href="#222">222</a>                                     <strong>throw</strong> <strong>new</strong> SecurityException(e.getCause().getMessage() + <span class="string">" (rethrown)"</span>, e.getCause());
<a name="223" href="#223">223</a>                                 }
<a name="224" href="#224">224</a>                             }
<a name="225" href="#225">225</a>                             <strong>throw</strong> <strong>new</strong> RuntimeException(<span class="string">"Fatal error trying to execute URL redirect method: "</span> + redirect, e);
<a name="226" href="#226">226</a>                         }
<a name="227" href="#227">227</a>                         <strong>if</strong> (result != <strong>null</strong>) {
<a name="228" href="#228">228</a>                             targetURL = result.toString();
<a name="229" href="#229">229</a>                         } <strong>else</strong> {
<a name="230" href="#230">230</a>                             targetURL = <strong>null</strong>;
<a name="231" href="#231">231</a>                         }
<a name="232" href="#232">232</a>                     } <strong>else</strong> <strong>if</strong> (redirect.outgoingTemplate != <strong>null</strong>) {
<a name="233" href="#233">233</a>                         <em class="comment">// handle the straight processing</em>
<a name="234" href="#234">234</a>                         <strong>try</strong> {
<a name="235" href="#235">235</a>                             targetURL = TemplateParseUtil.mergeTemplate(redirect.outgoingTemplate, segmentValues);
<a name="236" href="#236">236</a>                         } <strong>catch</strong> (IllegalArgumentException e) {
<a name="237" href="#237">237</a>                             targetURL = <strong>null</strong>;
<a name="238" href="#238">238</a>                             log.warn(<span class="string">"Unable to merge target template ("</span>+redirect.outgoingTemplate+<span class="string">") with available variables: "</span> + e.getMessage());
<a name="239" href="#239">239</a>                         }
<a name="240" href="#240">240</a>                     } <strong>else</strong> {
<a name="241" href="#241">241</a>                         <em class="comment">// should never get here</em>
<a name="242" href="#242">242</a>                         <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Invalid URL Redirect Object, could not determine operation: "</span> + redirect);
<a name="243" href="#243">243</a>                     }
<a name="244" href="#244">244</a>                 }
<a name="245" href="#245">245</a>             }
<a name="246" href="#246">246</a>         }
<a name="247" href="#247">247</a>         <strong>if</strong> (targetURL != <strong>null</strong> &amp;&amp; targetURL.length() > 0) {
<a name="248" href="#248">248</a>             <em class="comment">// fix up the outgoing URL if needed (must end up non-relative)</em>
<a name="249" href="#249">249</a>             <strong>if</strong> (targetURL.charAt(0) == TemplateParseUtil.SEPARATOR 
<a name="250" href="#250">250</a>                     || targetURL.startsWith(<span class="string">"http:"</span>) || targetURL.startsWith(<span class="string">"https:"</span>)) {
<a name="251" href="#251">251</a>                 <em class="comment">// leave it as is</em>
<a name="252" href="#252">252</a>             } <strong>else</strong> {
<a name="253" href="#253">253</a>                 <em class="comment">// append the servlet path stuff so we know to forward this</em>
<a name="254" href="#254">254</a>                 targetURL = getServletContext() + TemplateParseUtil.SEPARATOR + targetURL;
<a name="255" href="#255">255</a>             }
<a name="256" href="#256">256</a>         }
<a name="257" href="#257">257</a>         <strong>return</strong> targetURL;
<a name="258" href="#258">258</a>     }
<a name="259" href="#259">259</a> 
<a name="260" href="#260">260</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>

